
API 550b eq (x2)
4 band parametric eq. Switchable shelf/peak on high and low bands. Middle bands are peak only. Q becomes steeper as more boost/cut is added/subtracted. Transformer balanced input and output.

Barth W208 equalizer (x2)
High quality eqs made in Hamburg for the German broadcast industry. Sound is similar to Neumann PEV eq. Inductor based design. High and low shelving plus three bands, high/middle/low of selectable frequencies. Up to 22 dB(!!!) of cut and boost. All switches, no pots. Transformer input/output. Excellent sound/build quality.
Shure SR-107 eq
Fully discrete graphic eq with 10 bands of cut/boost plus an output amplifier for make-up gain. Very cool sounding. Great on kick and snare.